Added stac-prov profile

_sources/item-prov/bblock.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://raw.githubusercontent.com/opengeospatial/bblocks-postprocess/master/ogc/bblocks/metadata-schema.yaml",
+  "name": "STAC Item with Provenance",
+  "highlighted": true,
+  "abstract": "A SpatioTemporal Asset Catalogs (STAC) item with a provenance trace supporting the PROV-O model and DAG (directed acyclic graph) through both object nesting and references",
+  "status": "under-development",
+  "dateTimeAddition": "2023-12-08T00:00:00Z",
+  "itemClass": "schema",
+  "register": "ogcincubator",
+  "version": "0.1",
+  "dateOfLastChange": "2023-12-09",
+  "sources": [
+    {
+      "title": "STAC Specification",
+      "link": "https://stacspec.org/en/about/stac-spec/"
+    },
+    {
+      "title": "PROV-O Specification",
+      "link": "https://www.w3.org/TR/prov-o/"
+    }
+  ],
+  "scope": "contrib",
+  "tags": ["stac", "item", "provenance"]
+}

_sources/item-prov/examples.yaml

@@ -0,0 +1,33 @@
+- title: STAC item with link to provenance
+  content: |
+    This is the simple item example from the STAC specification, augmented with the simplest possible form of provenance - a link to a resource that provides provenance details. 
+
+    a STAC item is a prov:Entity with the "wasGeneratedBy" property defined by PROV-O.
+
+  snippets:
+    - language: json
+      ref: examples/item-prov-link.json
+      base-uri: 'https://example.com/stac/example1/'
+
+
+- title: STAC item with a generation activity description
+  content: |
+    This is the simple item example from the STAC specification, augmented a description of the activity that generated it, with nested set of entities the object derives from. 
+
+    A STAC item is a prov:Entity with the "wasGeneratedBy" property defined by PROV-O. 
+
+  snippets:
+    - language: json
+      ref: examples/item-prov-nested.json
+      base-uri: 'https://example.com/stac/example1/'
+
+- title: STAC item with a provenance graph
+  content: |
+    This is the simple item example from the STAC specification, augmented an array of Provenance objects that define a DAG (Directed Acyclic Graph) that can fully describe a set of contributing activities, entities and agents.) 
+
+    A STAC item is a prov:Entity with the "has_provenance" property whose range is an array of objects defined by the PROV-O model. 
+
+  snippets:
+    - language: json
+      ref: examples/item-prov-dag.json
+      base-uri: 'https://example.com/stac/example1/'

_sources/item-prov/examples/item-prov-dag.json

@@ -0,0 +1,60 @@
+{
+  "stac_version": "1.0.0",
+  "stac_extensions": [
+    "https://stac-extensions.github.io/prov/v1.0.0/schema.json"
+  ],
+  "type": "Feature",
+  "id": "20201211_223832_CS2",
+  "bbox": [
+    172.91173669923782,
+    1.3438851951615003,
+    172.95469614953714,
+    1.3690476620161975
+  ],
+  "has_provenance": [
+    {
+      "id": "DP-2223",
+      "provType": "Entity",
+      "featureType": "ftc:SomeKindOfSurvey",
+      "wasGeneratedBy": "surveys:DP-1-S1"
+    },
+    {
+      "provType": "Activity",
+      "id": "surveys:DP-1-S1",
+      "activityType": "InitialSurvey",
+      "endedAtTime": "2023-10-05T05:03:15+01:00",
+      "wasAssociatedWith": "staff:jd234",
+      "used": {
+        "id": "regulations:Act3",
+        "entityType": "Legislation",
+        "wasAttributedTo": "agents:someGovernment",
+        "links": [
+          {
+            "href": "https://some.gov/linktoact/",
+            "rel": "related"
+          }
+        ]
+      }
+    }
+  ],
+  "geometry": {
+    "type": "Point",
+    "coordinates": [
+      172.91173669923782,
+      1.3438851951615003
+    ]
+  },
+  "properties": {
+    "datetime": "2020-12-11T22:38:32.125000Z"
+  },
+  "collection": "simple-collection",
+  "links": [
+    {
+      "rel": "collection",
+      "href": "./collection.json",
+      "type": "application/json",
+      "title": "Simple Example Collection"
+    }
+  ],
+  "assets": {}
+}

_sources/item-prov/examples/item-prov-link.json

@@ -0,0 +1,38 @@
+
+{
+    "stac_version": "1.0.0",
+    "stac_extensions": ["https://stac-extensions.github.io/prov/v1.0.0/schema.json"],
+    "type": "Feature",
+    "id": "20201211_223832_CS2",
+    "bbox": [
+      172.91173669923782,
+      1.3438851951615003,
+      172.95469614953714,
+      1.3690476620161975
+    ],
+    "wasGeneratedBy":  "http://mysystem.io/prov?object=20201211_223832_CS2" ,
+    "geometry": {
+      "type": "Point",
+      "coordinates": [
+
+
+            172.91173669923782,
+            1.3438851951615003
+
+      ]
+    },
+    "properties": {
+      "datetime": "2020-12-11T22:38:32.125000Z"
+    },
+    "collection": "simple-collection",
+    "links": [
+      {
+        "rel": "collection",
+        "href": "./collection.json",
+        "type": "application/json",
+        "title": "Simple Example Collection"
+      }
+    ],
+    "assets": {
+    }
+  }

_sources/item-prov/examples/item-prov-nested.json

@@ -0,0 +1,38 @@
+
+{
+    "stac_version": "1.0.0",
+    "stac_extensions": ["https://stac-extensions.github.io/prov/v1.0.0/schema.json"],
+    "type": "Feature",
+    "id": "20201211_223832_CS2",
+    "bbox": [
+      172.91173669923782,
+      1.3438851951615003,
+      172.95469614953714,
+      1.3690476620161975
+    ],
+    "wasGeneratedBy":  "http://mysystem.io/prov?object=20201211_223832_CS2" ,
+    "geometry": {
+      "type": "Point",
+      "coordinates": [
+
+
+            172.91173669923782,
+            1.3438851951615003
+
+      ]
+    },
+    "properties": {
+      "datetime": "2020-12-11T22:38:32.125000Z"
+    },
+    "collection": "simple-collection",
+    "links": [
+      {
+        "rel": "collection",
+        "href": "./collection.json",
+        "type": "application/json",
+        "title": "Simple Example Collection"
+      }
+    ],
+    "assets": {
+    }
+  }

_sources/item-prov/schema.yaml

@@ -0,0 +1,12 @@
+"$schema": https://json-schema.org/draft/2020-12/schema
+description: 'STAC Collection'
+allOf:
+  - $ref: bblocks://ogc.ogc-utils.prov#/$defs/Entity
+  - $ref: https://github.com/radiantearth/stac-spec/raw/master/item-spec/json-schema/item.json
+  - type: object
+    properties:
+      stac_extensions:
+        type: array
+        contains:
+          const: https://stac-extensions.github.io/prov/v1.0.0/schema.json
+

bblocks-config.yaml

@@ -15,3 +15,4 @@ imports:
   - default
   - https://ogcincubator.github.io/bblocks-ogcapi-features/build/register.json
   - https://ogcincubator.github.io/bblocks-ogcapi-records/build/register.json
+  - https://ogcincubator.github.io/bblock-prov-schema/build/register.json